2023 Mazda CX-30 Engine Parts

This table covers the Balance Shaft sprockets. Read more

This group shows a single part: MELLING S1246.

This table covers the bearings in the connecting-rod big ends. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

This group shows a single part: TOPLINE RBMA31.

This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

3 Conversion / Lower Gasket Set parts for the 2023 Mazda CX-30 come from 3 brands — AJUSA, MAHLE / CLEVITE and TOPLINE.

Listed part numbers: AJUSA 54210500, MAHLE / CLEVITE CS55461 and TOPLINE CBSMA31.

This table covers the main bearings that support the crankshaft in the block. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

TOPLINE supplies both parts for the 2023 Mazda CX-30.

Part numbers include TOPLINE MBMA31 and TOPLINE TWMA31.

This table covers the front and rear seals that keep oil in at the crankshaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

5 Crankshaft Seal parts are listed for the 2023 Mazda CX-30, from AJUSA, ELRING and MAHLE / CLEVITE.

Listed part numbers: AJUSA 15105400, AJUSA 15105500 and ELRING 935630, plus the other parts above.

This table covers the bolts that clamp the cylinder head to the block. Read more

4 Cylinder Head Bolt parts for the 2023 Mazda CX-30 come from 4 brands — AJUSA, FEL-PRO, MAHLE / CLEVITE and 1 other brand.

This group includes AJUSA 81035200, FEL-PRO ES73903 and MAHLE / CLEVITE GS33489 and the remaining parts above.

This table covers the head gaskets that seal the block to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

4 Cylinder Head Gasket parts for the 2023 Mazda CX-30 come from 4 brands — AJUSA, ELRING, FEL-PRO and 1 other brand.

Part numbers include AJUSA 10215400, ELRING 206830 and FEL-PRO 26829PT, among others listed above.

This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

4 Cylinder Head Gasket Set parts for the 2023 Mazda CX-30 come from 3 brands — MAHLE / CLEVITE, AJUSA and TOPLINE.

This group includes AJUSA 52403400, MAHLE / CLEVITE HS55461 and MAHLE / CLEVITE HS55461A and the remaining parts above.

This table covers the Engine covers. Read more

6 Engine Cover parts for the 2023 Mazda CX-30 come from 2 brands — TECHPRO and VARIOUS MFR. The "Popular" part is TECHPRO MA1228137.

Listed part numbers: TECHPRO MA1228137, TECHPRO MA1228134 and TECHPRO MA1228135, plus the other parts above.

This table covers full gasket kits covering the joints opened in an engine rebuild. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

2 Engine Kit Gasket Set parts for the 2023 Mazda CX-30 come from 2 brands — AJUSA and TOPLINE.

Listed part numbers: AJUSA 50366500 and TOPLINE CGSMA31.

This table covers the exhaust valves that let combustion gas out of the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one. Read more

One part is listed for the 2023 Mazda CX-30 — TOPLINE EVMA31L.

This table covers the crankshaft pulleys / harmonic balancers at the front of the engine. Read more

This group shows a single part: DAYCO PB1819N.

This table covers the gaskets between the intake manifold and the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

3 Intake Manifold Gasket parts for the 2023 Mazda CX-30 come from 3 brands — AJUSA, ELRING and MAHLE / CLEVITE.

Part numbers include AJUSA 13261100, ELRING B44240 and MAHLE / CLEVITE MS20605.

This table covers the intake valves that let air (and fuel, on port-injected engines) into the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one. Read more

One part is listed for the 2023 Mazda CX-30 — TOPLINE IVMA31L.

This table covers the mounts that hold the engine to the chassis. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

3 Motor Mount parts are listed for the 2023 Mazda CX-30, from ANCHOR, PIONEER and WESTAR.

Listed part numbers: ANCHOR 10203, PIONEER 610203 and WESTAR EM7523.

This table covers the Motor Mount kits. Read more

One part is listed for the 2023 Mazda CX-30 — ANCHOR 300907.

This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable. Read more

37 Oil parts are listed for the 2023 Mazda CX-30, from VALVOLINE, LIQUI MOLY, MOBIL and 3 other brands. LIQUI MOLY 2208 carries the "Popular" badge. They are grouped as Full Synthetic, High Mileage (>75,000 Miles) and Racing, with Full Synthetic the largest group at 29 parts from VALVOLINE, LIQUI MOLY, MOBIL and 2 other brands.

This table covers the drain plugs in the oil pan. Read more

ELRING supplies the 5 Oil Drain Plug parts for the 2023 Mazda CX-30. ELRING 523500 carries the "Popular" badge.

Listed part numbers: ELRING 523500, ELRING 523480 and ELRING 087210, plus the other parts above.

This table covers the crush washers and gaskets under the oil drain plug. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

5 Oil Drain Plug Gasket parts for the 2023 Mazda CX-30 come from 4 brands — DORMAN, AJUSA, ELRING and 1 other brand.

This group includes AJUSA 22007000, DORMAN 095147 and DORMAN 995147CD and the remaining parts above.

This table covers the caps on the oil filler neck. Read more

3 Oil Filler Cap parts are listed for the 2023 Mazda CX-30, from CALORSTAT, GATES and MOTORAD.

Part numbers include CALORSTAT OC2330, GATES 31295 and MOTORAD MO147.

This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive. Read more

12 Oil Filter parts are listed for the 2023 Mazda CX-30, from BOSCH, VARIOUS MFR, CHAMP / LUBER-FINER and 7 other brands. CHAMP / LUBER-FINER PH2876 carries the "Popular" badge.

In the Economy grade, CHAMP / LUBER-FINER, BOSCH, FVP and 2 other brands supply 5 parts: the catalog's value-priced group. A representative part number is CHAMP / LUBER-FINER PH2876.

In the High Performance / Heavy Duty grade, MOBIL supplies 1 part: grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. A representative part number is MOBIL M1108A.

The Standard Replacement section lists 6 options from BOSCH, BECK/ARNLEY, HASTINGS / BALDWIN and 3 other brands — built to original-equipment specification. BOSCH 3300 is listed in this group.

This table covers the Oil Filter Adapter Gasket O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

2 Oil Filter Adapter Gasket / O-Ring parts for the 2023 Mazda CX-30 come from 2 brands — FEL-PRO and MAHLE / CLEVITE.

This group includes FEL-PRO 73777 and MAHLE / CLEVITE B33767.

This table covers the gaskets that seal the Oil Filter. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: ELRING B44260.

This table covers the Oil Level sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

2 Oil Level Sensor parts are listed for the 2023 Mazda CX-30, from HELLA and STANDARD MOTOR PRODUCTS.

Part numbers include HELLA 011544031 and STANDARD MOTOR PRODUCTS FLS355.

This table covers the gaskets that seal the Oil Pressure Relief Valve. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: ELRING 094550.

This table covers the Oil Pump Chain guides. Read more

This group shows a single part: MELLING BG7073.

This table covers the Oil Pump sprockets. Read more

This group shows a single part: MELLING S1248.

This table covers the pistons that travel in each cylinder. Typical signs include knock, blow-by, or a cylinder that will not hold compression. Piston work is a short-block job. Match bore, pin and ring pack in the notes — not the photo. Read more

This group shows a single part: TOPLINE PAMA31D.

This table covers the rings that seal each piston to the cylinder wall. Read more

4 Piston Ring parts for the 2023 Mazda CX-30 come from 2 brands — HASTINGS MANUFACTURING and TOPLINE.

Part numbers include HASTINGS MANUFACTURING 2N6037, HASTINGS MANUFACTURING 2P6029 and TOPLINE RSMA31D, among others listed above.

This table covers kits that group a timing chain with the related tensioners and guides. Read more

One part is listed for the 2023 Mazda CX-30 — INA ZC76342T.

This table covers the guides and dampers that keep the timing chain on its path. Read more

3 Timing Chain Guide / Damper parts for the 2023 Mazda CX-30 come from MELLING.

This group includes MELLING BT7027, MELLING BG7029 and MELLING BG7030.

This table covers the tensioners that keep the timing chain taut. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage. Read more

2 Timing Chain Tensioner parts are listed for the 2023 Mazda CX-30, from INA and MELLING.

Part numbers include INA ZT0269 and MELLING BT7029.

This table covers the gaskets that seal the Timing Cover. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

One part is listed for the 2023 Mazda CX-30 — MAHLE / CLEVITE JV5296.

This table covers the seals at the Timing Cover. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

3 Timing Cover Seal parts are listed for the 2023 Mazda CX-30, from MAHLE / CLEVITE, SKF and WJB / INMOTION PARTS.

This group includes MAHLE / CLEVITE 68083, SKF 16880A and WJB / INMOTION PARTS WS16880A.

This table covers the crankshaft sprockets that drive the timing chain or belt. Read more

3 Timing Crank Sprocket parts are listed for the 2023 Mazda CX-30, from MELLING and INA.

Part numbers include INA ZS0298, MELLING S1245 and MELLING S1247.

This table covers the Torque Strut mounts. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

3 Torque Strut Mount parts for the 2023 Mazda CX-30 come from 3 brands — ANCHOR, PIONEER and WESTAR.

Listed part numbers: ANCHOR 10212, PIONEER 630212 and WESTAR EM7654.

This table covers the gaskets that seal the Turbocharger. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: GPD 2535109.

This table covers the gaskets that seal the valve cover to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

6 Valve Cover Gasket parts are listed for the 2023 Mazda CX-30, from BECK/ARNLEY, MAHLE / CLEVITE, AJUSA and 1 other brand. BECK/ARNLEY 0362077 carries the "Popular" badge.

This group includes BECK/ARNLEY 0362077, AJUSA 11137100 and BECK/ARNLEY 0362078 and the remaining parts above.

This table covers the Valve Cover grommets. Read more

One part is listed for the 2023 Mazda CX-30 — MAHLE / CLEVITE B33646.

This table covers the pressed-in bronze and cast-iron guides that align valve stems. Typical signs include oil smoke on startup, a guide that has gone oval, or a valve that no longer seats quietly. Guides are a machine-shop fit. Confirm stem diameter in the notes before ordering. Read more

TOPLINE supplies both parts for the 2023 Mazda CX-30.

Listed part numbers: TOPLINE EVGMA32 and TOPLINE IVGMA32.

This table covers the lifters / tappets that transfer cam motion to the valves. Read more

3 Valve Lifter parts are listed for the 2023 Mazda CX-30, from TOPLINE and AJUSA.

This group includes AJUSA 85009300, TOPLINE LIFMA31D and TOPLINE LIFMA32.

This table covers the keepers that lock each valve-spring retainer to the stem. Read more

2 Valve Spring Retainer Keeper parts for the 2023 Mazda CX-30 come from 2 brands — ENGINETECH and SBI.

Part numbers include ENGINETECH EPF1104 and SBI 1211104.

This table covers the seals on each valve stem that control oil into the guides. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

5 Valve Stem Seal parts are listed for the 2023 Mazda CX-30, from AJUSA, MAHLE / CLEVITE and TOPLINE.

Listed part numbers: AJUSA 57070800, AJUSA 12034400 and AJUSA 12034500, plus the other parts above.

This table covers the oil-control solenoids that command the cam phasers. Typical signs include a door or range that will not move, or a click with no motion. Confirm the command signal before replacing the actuator — a failed module looks the same. Read more

3 Variable Valve Timing (VVT) Solenoid / Actuator parts are listed for the 2023 Mazda CX-30, from WELLS, CLOYES and NTK.

Economy: 1 part, from WELLS. A representative part number is WELLS 2T1166.

The Standard Replacement section: 2 options from CLOYES and NTK. CLOYES VTS225 is listed in this group.

Part numbers include WELLS 2T1166, CLOYES VTS225 and NTK VV0131.

This table covers the seals at the Variable Valve Timing (VVT) Solenoid Gasket. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

2 Variable Valve Timing (VVT) Solenoid Gasket / Seal parts for the 2023 Mazda CX-30 come from MAHLE / CLEVITE.

Listed part numbers: MAHLE / CLEVITE B33645 and MAHLE / CLEVITE B33768.

This table covers the cam phaser sprockets used by the variable-valve-timing system. Read more

STANDARD MOTOR PRODUCTS supplies both parts for the 2023 Mazda CX-30.

Part numbers include STANDARD MOTOR PRODUCTS VVT783 and STANDARD MOTOR PRODUCTS VVT780.